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Carriage conveyor

  • US 6,494,142 B2
  • Filed: 11/30/2001
  • Issued: 12/17/2002
  • Est. Priority Date: 02/14/2001
  • Status: Active Grant
First Claim
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1. A carriage conveyor comprising:

  • a plurality of carriages each including a deck having a frictional surface for primary drive that is a side face formed on or near at least one of the right and left sides of the deck, the frictional surface being parallel to the direction in which the carriages travel;

    each of the carriages further including a bar fitted on the underside of the deck, the bar extending on the center line of the deck, the center line being parallel to the running direction, the bar having a side face forming a frictional surface for secondary drive; and

    a carriage travel path including a primary travel line as a linear travel path and a secondary travel line, the primary travel line being fitted with a drive for primary propulsion including a friction drive wheel for compressive contact with the frictional surfaces for primary drive of the carriages, the secondary travel line being fitted with a plurality of drives for secondary propulsion each including a friction drive wheel for compressive contact with the frictional surfaces for secondary drive of the carriages, the drives for secondary propulsion being provided at intervals in the running direction.

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